FPR2-T218_13 Datasheet, PDF (1/2 Pages) Riedon Powertron – Precision Shunt Resistors

FPR 2-T218
Precision Shunt Resistors
• Resistances from 0.002Ohm to 50Ohms
• Power Rating to 30Watt
• Resistance Tolerances to ±0.25%
• TCR to ±15ppm/°C
• Load Stability to 0.1%
• TO-218 (TO-247) Housing
SPECIFICATIONS
Type
Resistance Range
Power rating
free air 70°C
with heatsink
Thermal Resistance Rthj-c
Tolerances
from 0.002 Ohms
from 0.01 Ohms
from 0.02 Ohms
Stability
Temperature Coefficient
Voltage Proof
Thermal EMF
Operating Temperature Range
Resistor Material
Substrate
Housing
Connector Material
Terminals
Max. Torque
FPR 2-T218
0.002 to 50 Ohms
2W
30 W
2.5 °C/W
1% / 2% / 5%
0.5% / 1% / 2% / 5%
0.25% / 0.5% / 1% / 2% / 5%
0.1% / 0.2% / 0.5%
(depends on stress)
R > 0.2 Ohms ±15ppm/K (20 to 60°C)
R ≤ 0.2 Ohms TCR see table A next page
300 VDC
< 0.1µV/°C
-40 to 130°C
CuNiMn-Foil
anodized aluminium
PPS
Cu tinned
2
1 Nm
120
100
0.5%
80
0.2%
60
0.1%
40
20
0
25
50
85
100
115
Temperature of the backplate (°C)
Derating
Power Rating Notes -
The FPR Series Resistors must be attached to a suitable heat-
sink. The maximum internal resistor temperature is 130°C.
To specify an appropriate heatsink use the following formula :
R_qH = T_MAX - ( P x R_qR ) - T_A
P
Where: R_qH = Thermal Resistance of Heatsink ( K/W )
R_qR = Thermal Resistance of Resistor ( K/W )
130
T_MAX = Maximum Temperature of Resistor
T_A = Ambient Temperature of Heatsink ( °C )
P = Power Through Resistor ( W )
Ordering Information
Part Description: Part Type - Resistance - Tolerance
FPR 2-T218 0.068 Ohms 0.5%
Riedon Inc.
300 Cypress Avenue

06/13
Alhambra CA 91801
[phone]
www.riedon.com
[phone]